Bridge lifting device and construction method

A lifting device and bridge technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as mismatch between hoops and bridge piers

Active Publication Date: 2021-11-02
四川志德公路工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the mismatch between hoops and bridge piers, this application provides a bridge lifting device and construction method

Method used

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  • Bridge lifting device and construction method
  • Bridge lifting device and construction method

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Experimental program
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Effect test

Embodiment 1

[0043] The embodiment of the present application discloses a bridge lifting device. refer to figure 1 with figure 2, a bridge lifting device includes two beam-lifting mechanisms for lifting bridge sections 23, at least two construction hangers 1 and a lifting device for lifting the construction hangers 1, the beam-lifting mechanism includes a lifting frame, a continuous jack and a steel strand Line, by setting two lifting frames on both sides of the bridge section 23 to be lifted respectively, the bridge section 23 is lifted by continuous jacks and steel strands, and the bottom of the bridge section 23 is temporarily lifted after the bridge section 23 is lifted. Support, after the support is completed, use the lifting device to lift the construction hanger 1 to the installation position.

[0044] refer to figure 2 with image 3 The construction hanger 1 includes two detachable half-frame bodies 2, the half-frame body 2 includes a bracket 3 and a hoop 4 for holding the pi...

Embodiment 2

[0054] The embodiment of the present application also discloses a construction method for bridge lifting, referring to Fig. 6, comprising the following steps,

[0055] S1. Lifting the bridge segment 23, moving the two beam lifting mechanisms to both sides of the bridge to be lifted, temporarily supporting the bottom of the lifting bridge segment 23 after completion, and then lifting the next bridge node;

[0056] S2. Prepare the half-frame body 2 and the matching hoop frame 4. By docking the fixed rod 6 with the threaded rod 5, the threaded sleeve 7 is threadedly connected with the threaded rod 5. When the clamping ring 8 moves to abut against the abutment plate 9 , complete the connection of hoop frame 4 and support 3;

[0057] S3, suspending the half-frame body 2, hanged by the chain of the hook 19 and the electric chain hoist 17, under the elastic force of the torsion spring 20, the abutment rod 18 resets to block the opening of the hook 19, ensuring that the hook 19 and t...

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Abstract

The invention relates to a bridge lifting device and a construction method, and relates to the field of bridge construction. The bridge lifting device comprises two beam lifting mechanisms used for lifting bridge segments, at least two construction hanging brackets and a lifting device used for lifting the construction hanging brackets, and each construction hanging bracket comprises two half frame bodies capable of being spliced and disassembled; each half frame body comprises a support and a hoop frame used for tightly holding a pier, the hoop frame is fixedly connected with a plurality of threaded rods, the support is fixedly connected with a plurality of fixing rods, the fixing rods are sleeved with threaded sleeves in a sliding mode, the threaded sleeves are in threaded connection with the threaded rods, and clamping assemblies are arranged between the fixing rods and the threaded sleeves; and a fixing assembly is arranged between every two adjacent supports. The bridge lifting device has the effect of conveniently matching the hoop frame and the bridge, meanwhile, the mounting and connecting effect between the hoop frame and the bridge is greatly improved, meanwhile, the effect of repeated utilization is achieved, and the energy-saving effect in building construction is achieved.

Description

technical field [0001] The present application relates to the field of bridge construction, in particular to a bridge hoisting device and a construction method. Background technique [0002] At present, bridge pier connection construction is a relatively efficient and economical construction method in bridge reconstruction construction. It is commonly used in urban overpass reconstruction, and its main purpose is to adjust the elevation of existing bridges. [0003] The existing patent application number is the Chinese patent CN202011195982.6, which proposes a bridge lifting device, a reconstruction system and a reconstruction construction method. The method includes the following steps S1: Utilize the hoisting units arranged at the lifting ends of the two beam-lifting mechanisms to lift the bridge section to be lifted and temporarily support it; S2: move the two beam-lifting mechanisms to both sides of the next bridge section to be lifted until all the bridge sections are c...

Claims

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Application Information

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IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 林红平
Owner 四川志德公路工程有限责任公司
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